/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return true;
}
var baseTag = ((BaseTag)tag);
object value;
if (!string.IsNullOrEmpty(baseTag.BindName))
{
if (!string.IsNullOrEmpty(baseTag.Property))
throw new DataMapperException("Error comparing in conditional fragment. Please specify a \"bindName\" or \"property\", not both.");
value = GetBindValue(ctx, baseTag.BindName, parameterObject);
}
else if (!string.IsNullOrEmpty(baseTag.Property))
{
// changed to enable references to current iterate items to also be catered for.
value = GetMemberPropertyValue(ctx, baseTag, parameterObject);
}
else
{
value = parameterObject;
}
return (value == null);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return true;
}
string propertyName = ((BaseTag)tag).Property;
object value = null;
if (!string.IsNullOrEmpty(propertyName))
{
value = ObjectProbe.GetMemberValue(parameterObject, propertyName, AccessorFactory);
}
else
{
value = parameterObject;
}
if (value is ICollection)
{
return ((value == null) || (((ICollection) value).Count< 1));
}
if (value != null && typeof(Array).IsAssignableFrom(value.GetType())) //value.GetType().IsArray
{
return ((Array) value).GetLength(0) == 0;
}
return ((value == null) || (Convert.ToString(value).Equals("")));
}
/// <summary>
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return false;
}
return ObjectProbe.HasReadableProperty(parameterObject, ((BaseTag)tag).Property);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject)
{
if (IsCondition(ctx, tag, parameterObject))
{
return INCLUDE_BODY;
}
return SKIP_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject)
{
ctx.FirstNonDynamicTagWithPrepend = null ;
if (tag.IsPrependAvailable)
{
ctx.IsOverridePrepend = true;
}
return INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <returns></returns>
/// <remarks>
/// Updated By: Richard Beacroft
/// Updated Date: 11\10\2013
/// Description: Enables property iterate item paths to be replaced with full property paths, which will later be reflected.
/// </remarks>
public override int DoEndFragment(SqlTagContext ctx, SqlTag tag,
object parameterObject, StringBuilder bodyContent)
{
IterateContext iterate = (IterateContext)ctx.GetAttribute(tag);
if (iterate.IsCompleted)
return INCLUDE_BODY;
var iterateTag = ((Iterate)tag);
var propertyName = iterateTag.Property;
if (propertyName == null)
propertyName = String.Empty;
// build full reflection path
if (!ReflectionMapper.ReplacePropertyIndexerWithFullName(ctx, iterateTag, bodyContent))
{
string find = propertyName + ReflectionMapper.ENUMERATOR_PLACEHOLDER;
string replace = propertyName + "[" + iterate.Index + "]"; //Parameter-index-Dynamic
StringHandler.Replace(bodyContent, find, replace);
}
if (iterate.IsFirst)
{
if (iterateTag.Open != null)
{
bodyContent.Insert(0, ctx.ReplaceBindingVariables(iterateTag.Open));
bodyContent.Insert(0, ' ');
}
}
if (iterate.IsLast)
{
if (iterateTag.Close != null)
{
bodyContent.Append(ctx.ReplaceBindingVariables(iterateTag.Close));
}
}
else
{
if (iterateTag.Conjunction != null)
{
bodyContent.Append(ctx.ReplaceBindingVariables(iterateTag.Conjunction));
bodyContent.Append(' ');
}
}
if (iterate.HasNext)
return REPEAT_BODY;
iterate.IsCompleted = true;
return INCLUDE_BODY;
}
/// <summary>
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
/// <remarks>
/// Updated By: Richard Beacroft
/// Updated Date: 11\10\2013
/// Description: Builds full property name and checks to see if the property is readable.
/// Not sure why it doesn't also cater for class Fields?
/// </remarks>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return false;
}
var baseTag = (BaseTag)tag;
// build property full name from property name - specifically handles references to current iterate item, i.e. "[]."
var propertyFullName = ctx.ReplaceIterateCurrentProperty(baseTag);
return ObjectProbe.HasReadableProperty(parameterObject, propertyFullName);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return true;
}
string propertyName = ((BaseTag)tag).Property;
object value;
if (!string.IsNullOrEmpty(propertyName) )
{
value = ObjectProbe.GetMemberValue(parameterObject, propertyName, AccessorFactory);
}
else
{
value = parameterObject;
}
return (value == null);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return true;
}
var baseTag = ((BaseTag)tag);
string bindName = baseTag.BindName;
string propertyName = baseTag.Property;
object value = null;
if (!string.IsNullOrEmpty(bindName))
{
if (!string.IsNullOrEmpty(propertyName))
throw new DataMapperException("Error comparing in conditional fragment. Please specify a \"bindName\" or \"property\", not both.");
value = GetBindValue(ctx, bindName, parameterObject);
}
else if (!string.IsNullOrEmpty(propertyName))
{
value = GetMemberPropertyValue(ctx, baseTag, parameterObject);
//value = ObjectProbe.GetMemberValue(parameterObject, propertyName, AccessorFactory);
}
else
{
value = parameterObject;
}
if (value is ICollection)
{
return ((value == null) || (((ICollection)value).Count < 1));
}
if (value != null && typeof(Array).IsAssignableFrom(value.GetType())) //value.GetType().IsArray
{
return ((Array)value).GetLength(0) == 0;
}
return ((value == null) || (Convert.ToString(value).Equals("")));
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
IterateContext iterate = (IterateContext) ctx.GetAttribute(tag);
if (iterate == null)
{
string propertyName = ((BaseTag)tag).Property;
object collection;
if (!string.IsNullOrEmpty(propertyName))
{
collection = ObjectProbe.GetMemberValue(parameterObject, propertyName, AccessorFactory);
}
else
{
collection = parameterObject;
}
iterate = new IterateContext(collection);
ctx.AddAttribute(tag, iterate);
}
if (iterate.HasNext)
{
return INCLUDE_BODY;
}
return SKIP_BODY;
}
/// <summary> /// /// </summary> /// <param name="ctx"></param> /// <param name="tag"></param> /// <param name="parameterObject"></param> /// <returns></returns> public abstract bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject);
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <returns></returns>
public override int DoEndFragment(SqlTagContext ctx, SqlTag tag,
object parameterObject, StringBuilder bodyContent)
{
IterateContext iterate = (IterateContext) ctx.GetAttribute(tag);
if (iterate.MoveNext())
{
string propertyName = ((BaseTag)tag).Property;
if (propertyName == null)
{
propertyName = "";
}
string find = propertyName + "[]";
string replace = propertyName + "[" + iterate.Index + "]";//Parameter-index-Dynamic
Replace(bodyContent, find, replace);
if (iterate.IsFirst)
{
string open = ((Iterate)tag).Open;
if (open != null)
{
bodyContent.Insert(0,open);
bodyContent.Insert(0,' ');
}
}
if (!iterate.IsLast)
{
string conjunction = ((Iterate)tag).Conjunction;
if (conjunction != null)
{
bodyContent.Append(conjunction);
bodyContent.Append(' ');
}
}
if (iterate.IsLast)
{
string close = ((Iterate)tag).Close;
if (close != null)
{
bodyContent.Append(close);
}
}
return REPEAT_BODY;
}
return INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return !base.IsCondition(ctx, tag, parameterObject);
}
public void CheckAssignFirstDynamicTagWithPrepend(SqlTag tag)
{
if (IsOverridePrepend
&& FirstNonDynamicTagWithPrepend == null
&& tag.IsPrependAvailable
&& !(tag.Handler is DynamicTagHandler))
{
FirstNonDynamicTagWithPrepend = tag;
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return (Compare(ctx, tag, parameterObject) == 0);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject)
{
return INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
public override void DoPrepend(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
IterateContext iterate = (IterateContext) ctx.GetAttribute(tag);
if (iterate.IsFirst)
{
base.DoPrepend(ctx, tag, parameterObject, bodyContent);
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return (parameterObject != null);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public virtual int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
long x = Compare(ctx, tag, parameterObject);
return ((x >= 0) && (x != NOT_COMPARABLE));
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <remarks>
/// Updated By: Richard Beacroft
/// Updated Date: 11\10\2013
/// Description: Changed the index to check for.
/// The "iterate" tag handler has been re-worked to ensure we read the next iterate context item
/// before the child tag elements are processed. We need to do this to ensure that we can parse
/// property expressions within tag elements nested within the iterate element.
/// </remarks>
public override void DoPrepend(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
var iterate = (IterateContext)ctx.GetAttribute(tag);
// because we move to the first item before we iterate, we need to check to see if this is the first item, by checking the Index = 1 and not 0.
if (iterate.IsFirst)
{
base.DoPrepend(ctx, tag, parameterObject, bodyContent);
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
/// Updated By: Richard Beacroft
/// Updated Date: 11\10\2013
/// Description: Enables one to be able to have sql text within an iterate element that references the current item as "[]."
/// This is then parsed, along with any reflection path suffix to get the object instance the used is interested in.
/// and add it to an attributes collection for later use.
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
var iterate = (IterateContext)ctx.GetAttribute(tag);
if (iterate == null)
{
var baseTag = (BaseTag)tag;
object collection;
if (!string.IsNullOrEmpty(baseTag.Property))
{
// this will either leave the property name as it is, or if it starts with "[].", the
// current iterate context item value will be used, with the rest of the property name
// walked to determine the field/property to get the value from.
collection = _tagPropertyProbe.GetMemberPropertyValue(ctx, baseTag, parameterObject);
}
else
{
collection = parameterObject;
}
iterate = new IterateContext(collection);
ctx.AddAttribute(tag, iterate);
// if there is another item in the iterate array, then we need to include the body.
if (iterate.MoveNext())
return INCLUDE_BODY;
iterate.IsCompleted = true;
return SKIP_BODY;
}
if (iterate.IsCompleted)
{
// reset the context to cater for nested iterations.
ctx.RemoveAttibute(tag);
// now re-process the tag which will re-add the now modified tag element back to the attributes collection.
return DoStartFragment(ctx, tag, parameterObject);
}
else if (iterate.HasNext || iterate.IsLast)
{
if (iterate.MoveNext())
return INCLUDE_BODY;
}
return SKIP_BODY;
}
/// <summary>
/// 判断是否要向StringBuilder中添加prenpend属性值
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
public virtual void DoPrepend(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
if (tag.IsPrependAvailable)
{
if (bodyContent.ToString().Trim().Length > 0)
{
if (ctx.IsOverridePrepend && tag == ctx.FirstNonDynamicTagWithPrepend)
{
ctx.IsOverridePrepend = false;
}
else
{
bodyContent.Insert(0, tag.Prepend);
}
}
else
{
if (ctx.FirstNonDynamicTagWithPrepend != null)
{
ctx.FirstNonDynamicTagWithPrepend = null;
ctx.IsOverridePrepend =true;
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="sqlTag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
protected long Compare(SqlTagContext ctx, SqlTag sqlTag, object parameterObject)
{
Conditional tag = (Conditional)sqlTag;
string bindName = tag.BindName;
string propertyName = tag.Property;
string comparePropertyName = tag.CompareProperty;
string compareValue = tag.CompareValue;
object value1 = null;
Type type = null;
if (!string.IsNullOrEmpty(bindName))
{
if (!string.IsNullOrEmpty(propertyName))
throw new DataMapperException("Error comparing in conditional fragment. Please specify a \"bindName\" or \"property\", not both.");
value1 = GetBindValue(ctx, bindName, parameterObject);
type = value1.GetType();
}
else if (!string.IsNullOrEmpty(propertyName))
{
value1 = GetMemberPropertyValue(ctx, tag, parameterObject);
type = value1.GetType();
}
else
{
value1 = parameterObject;
if (value1 != null)
{
type = parameterObject.GetType();
}
else
{
type = typeof(object);
}
}
if (!string.IsNullOrEmpty(comparePropertyName))
{
object value2 = GetMemberComparePropertyValue(ctx, tag, parameterObject);
return CompareValues(type, value1, value2);
}
if (!string.IsNullOrEmpty(compareValue))
{
return CompareValues(type, value1, compareValue);
}
throw new DataMapperException("Error comparing in conditional fragment. Unknown 'compare to' values.");
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <returns></returns>
public virtual int DoEndFragment(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
return INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="sqlTag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
protected long Compare(SqlTagContext ctx, SqlTag sqlTag, object parameterObject)
{
Conditional tag = (Conditional)sqlTag;
string propertyName = tag.Property;
string comparePropertyName = tag.CompareProperty;
string compareValue = tag.CompareValue;
object value1 = null;
Type type = null;
if (!string.IsNullOrEmpty(propertyName))
{
value1 = ObjectProbe.GetMemberValue(parameterObject, propertyName, AccessorFactory);
type = value1.GetType();
}
else
{
value1 = parameterObject;
if (value1 != null)
{
type = parameterObject.GetType();
}
else
{
type = typeof(object);
}
}
if (!string.IsNullOrEmpty(comparePropertyName))
{
object value2 = ObjectProbe.GetMemberValue(parameterObject, comparePropertyName, AccessorFactory);
return CompareValues(type, value1, value2);
}
if (!string.IsNullOrEmpty(compareValue))
{
return CompareValues(type, value1, compareValue);
}
throw new DataMapperException("Error comparing in conditional fragment. Uknown 'compare to' values.");
}